Trusted for over 4 years by our diverse community of clients – including:

Built by developers, for developers

Our robust, clean API lets you focus on building great products.

Simple to use

Our data are served in transparent JSON format, with simple documentation and quick tech support.

Open source integrations

Our community has created over 200 open source libraries and plugins for most languages and frameworks.

Scalable

From a single request per month to a thousand per second, we've got you covered.

Fully-featured

Live and historical exchange rates for over 200 world currencies, plus time-series and conversion APIs.

Trusted by over fifty thousand businesses and organisations.
Our clients range from charities and universities to major sports networks, international brands and Fortune 500s, serving tens of millions of people every day.